366 lines
6.1 KiB
HTML
366 lines
6.1 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<HTML
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><HEAD
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><TITLE
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>EVMS Ncurses interface</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK
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REL="HOME"
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TITLE="EVMS User Guide"
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HREF="index.html"><LINK
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REL="UP"
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TITLE="Using the EVMS interfaces"
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HREF="evmscmuse.html"><LINK
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REL="PREVIOUS"
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TITLE="EVMS GUI"
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HREF="gui.html"><LINK
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REL="NEXT"
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TITLE="EVMS Command Line Interpreter"
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HREF="commandline.html"></HEAD
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><BODY
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CLASS="sect1"
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BGCOLOR="#FFFFFF"
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TEXT="#000000"
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LINK="#0000FF"
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VLINK="#840084"
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ALINK="#0000FF"
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><DIV
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CLASS="NAVHEADER"
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><TABLE
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SUMMARY="Header navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>EVMS User Guide</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="gui.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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>Chapter 2. Using the EVMS interfaces</TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="commandline.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><DIV
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CLASS="sect1"
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><H1
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CLASS="sect1"
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><A
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NAME="NCURSES"
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></A
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>2.2. EVMS Ncurses interface</H1
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><P
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>The EVMS Ncurses (<B
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CLASS="command"
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>evmsn</B
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>) user interface is a menu-driven
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interface with characteristics similar to those of the EVMS GUI.
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Like the EVMS GUI,
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<B
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CLASS="command"
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>evmsn</B
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> can accommodate new plug-ins and features without requiring any code
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changes.</P
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><P
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>The EVMS Ncurses user interface
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allows you to manage volumes on systems that do not have the X
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and GTK+ libraries that are required by the EVMS GUI.</P
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><DIV
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CLASS="sect2"
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><H2
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CLASS="sect2"
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><A
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NAME="NCURSESOVER"
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></A
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>2.2.1. Navigating through EVMS Ncurses</H2
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><P
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>The EVMS Ncurses user interface initially
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displays a list of logical volumes similar to the
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logical volumes view in the EVMS GUI. Ncurses also provides
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a menu bar similar to the menu bar in the EVMS GUI.</P
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><P
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>A general guide to navigating through the layout of the
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Ncurses window is listed below:</P
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><P
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></P
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><UL
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><LI
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><P
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><B
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CLASS="keycap"
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>Tab</B
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> cycles you through the available
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views.</P
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></LI
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><LI
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><P
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>Status messages and tips are displayed on
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the last line of the screen.</P
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></LI
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><LI
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><P
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>Typing the accelerator character (the
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letter highlighted in red) for any menu item activates
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that item. For example, typing <B
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CLASS="keycap"
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>A</B
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> in any view brings
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down the <SPAN
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CLASS="guimenuitem"
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>Actions</SPAN
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> menu.</P
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></LI
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><LI
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><P
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>Typing <B
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CLASS="keycap"
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>A</B
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> + <B
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CLASS="keycap"
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>Q</B
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> in a view
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quits the application.</P
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></LI
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><LI
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><P
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>Typing <B
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CLASS="keycap"
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>A</B
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> + <B
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CLASS="keycap"
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>S</B
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> in a view
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saves changes
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made during an <B
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CLASS="command"
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>evmsn</B
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> session.</P
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></LI
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><LI
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><P
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>Use the <B
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CLASS="keycap"
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>up</B
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> and <B
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CLASS="keycap"
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>down</B
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>
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arrows to highlight an object in a view. Pressing
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<B
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CLASS="keycap"
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>Enter</B
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> while an object in a view is
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highlighted presents a context popup menu.</P
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></LI
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><LI
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><P
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>Dismiss a context popup menu by pressing
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<B
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CLASS="keycap"
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>Esc</B
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> or by selecting a menu item with the
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<B
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CLASS="keycap"
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>up</B
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> and <B
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CLASS="keycap"
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>down</B
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> arrows and pressing
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<B
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CLASS="keycap"
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>Enter</B
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> to
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activate the menu item.</P
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></LI
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></UL
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><P
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>Dialog windows are similar in design to the EVMS GUI
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dialogs, which allow a user to navigate forward and backward through a series
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of dialogs using <SPAN
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CLASS="guibutton"
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>Next</SPAN
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> and <SPAN
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CLASS="guibutton"
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>Previous</SPAN
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>. A general
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guide to dialog windows is listed below:</P
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><P
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></P
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><UL
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><LI
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><P
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><B
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CLASS="keycap"
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>Tab</B
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> cycles you through the available buttons. Note
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that some buttons might not be available until a valid selection is made.</P
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></LI
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><LI
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><P
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>The <B
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CLASS="keycap"
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>left</B
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> and <B
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CLASS="keycap"
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>right</B
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> arrows can also be used
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to move to an available button.</P
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></LI
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><LI
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><P
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>Navigate a selection list with the <B
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CLASS="keycap"
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>up</B
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> and
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<B
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CLASS="keycap"
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>down</B
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> arrows.</P
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></LI
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><LI
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><P
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>Toggle the selection of an item in a list with <B
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CLASS="keycap"
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>spacebar</B
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>.</P
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></LI
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><LI
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><P
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>Activate a button that has the current focus with <B
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CLASS="keycap"
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>Enter</B
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>. If the button has
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an accelerator character (highlighted in red), you can also activate the button
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by typing the accelerator character regardless of whether the button has the current
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focus.</P
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></LI
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></UL
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><P
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>The EVMS Ncurses user interface, like the EVMS GUI, provides context menus
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for actions that are available only to the selected object in a view. Ncurses also provides
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context menus for items that are
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available from the <SPAN
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CLASS="guimenuitem"
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>Actions</SPAN
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> menu. These context menus present
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a list of commands available for a certain object.</P
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></DIV
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><DIV
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CLASS="sect2"
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><H2
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CLASS="sect2"
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><A
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NAME="NCURCHANGES"
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></A
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>2.2.2. Saving changes</H2
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><P
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>All changes you make while in the EVMS
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Ncurses are only in memory until you save the changes.
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In order to make the changes permanent, save
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all changes before exiting. If you
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forget to save the changes and decide to exit the EVMS Ncurses
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interface, you will be reminded of the unsaved changes and
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be given the chance to save or discard the changes before exiting.</P
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><P
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>To explicitly save all changes, press <B
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CLASS="keycap"
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>A</B
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> + <B
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CLASS="keycap"
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>S</B
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> and confirm
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that you want to save changes.</P
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></DIV
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></DIV
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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SUMMARY="Footer navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
|
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><A
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HREF="gui.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="index.html"
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ACCESSKEY="H"
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>Home</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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><A
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HREF="commandline.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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>EVMS GUI</TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="evmscmuse.html"
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ACCESSKEY="U"
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>Up</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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>EVMS Command Line Interpreter</TD
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></BODY
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